Dosing / metering pumps - Positive displacement
Sandwich hydraulic diaphragm
| Description | The sandwich hydraulic diaphragm metering pumps are suitable for use when the liquid to dose contains small suspended solids and when piston lackage are not accepted. Is included on the pump a safety valve for guarantee the diaphragm security against over pressure .The characeristics of this pump is the special sandwich diaphragm and the reliable rupture detention specifically for industrial application.The PDP series are manufactured according to API standard 675. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Accuracy is better than 1% from 10 to 100%. Different multiple head units are available on request. A wide range of material like Hastelloy,Alloy,PTFE are available. All the series can be ATEX certified |
Some data : • Capacity: max. 3508 l/h • Pressure: max. 80 bar • Pump head: SS 316/PVC/PP • Diaphragm: PTFE • Piston: SS 420 • Piston gaskets: AU/NBR • Valve seat: SS 316/PVC/PP • Valve ball: SS 316/pyrex |